N4O2Si4

N4O2Si4 is a thermodynamically stable, insulating silicon oxynitride compound characterized by its wide band gap and structural versatility.

NOSi
Crystal structure of N4O2Si4
Ground-state structure · Materials Project
Overview

About N4O2Si4

N4O2Si4 is a wide-band-gap insulating material that occupies a stable position on the convex hull. Its unique composition of silicon, nitrogen, and oxygen suggests a robust framework capable of maintaining structural integrity under diverse conditions.

As a highly stable material with numerous reported structures, it is a subject of significant interest for researchers investigating advanced dielectric or structural ceramics. Its electronic character makes it a candidate for applications requiring reliable insulation in demanding environments.

At a glance

Key Properties

Cross-validated computational properties for N4O2Si4, aggregated across 2 databases.

Band Gap

4.20–5.18 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
1 DFT source

Structures

25
2 databases, 4 space groups
Uses

Applications

Where N4O2Si4 is used.

Advanced dielectric materialsStructural ceramicsHigh-performance electronic components
Reference

Frequently Asked Questions

Common questions about N4O2Si4, answered from cross-validated data.

What is N4O2Si4?

N4O2Si4 is a thermodynamically stable, insulating silicon oxynitride compound characterized by its wide band gap and structural versatility.

More questions
What is N4O2Si4 used for?
N4O2Si4 is used in advanced dielectric materials, structural ceramics, and high-performance electronic components.
What is the band gap of N4O2Si4?
N4O2Si4 has a DFT-computed band gap of 4.20–5.18 eV across 25 reported structures.
Is N4O2Si4 a metal, semiconductor, or insulator?
With a wide band gap up to 5.18 eV it is an insulator / wide-band-gap material.
Is N4O2Si4 thermodynamically stable?
Yes — N4O2Si4 sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of N4O2Si4 are known?
25 structures of N4O2Si4 are reported across 2 databases, spanning 4 distinct space groups.
What elements does N4O2Si4 contain?
N4O2Si4 contains N, O, and Si (3 elements).
Where does the data for N4O2Si4 come from?
N4O2Si4 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a thermodynamically stable member of this chemical space, N4O2Si4 serves as a foundational example of how silicon-based oxynitrides can achieve structural stability, providing a baseline for future exploration of related complex ternary or quaternary systems.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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